import re

from rest_framework import serializers
from users.models import Address
from areas.models import Area


class AreasSerializer(serializers.ModelSerializer):

    class Meta:
        model = Area
        fields = ('id','name')




class AddressSerializers(serializers.ModelSerializer):

    # 显示指明
    city = serializers.StringRelatedField(read_only=True)
    province = serializers.StringRelatedField(read_only=True)
    district = serializers.StringRelatedField(read_only=True)

    city_id = serializers.IntegerField(write_only=True)
    district_id = serializers.IntegerField(write_only=True)
    province_id = serializers.IntegerField(write_only=True)

    class Meta:
        model = Address
        fields = ('city_id','district_id','province_id','email','mobile',
                  'place','receiver','tel','title','city','province',
                  'district','id')


    # 验证手机号格式
    def validate_mobile(self, value):
        if not re.match(r'^1[3-9]\d{9}$',value):
            raise serializers.ValidationError('手机格式不匹配')

        return value


    def create(self, validated_data):

        #获取用户信息
        user = self.context['request'].user


        validated_data['user'] = user
        address = Address.objects.create(**validated_data)

        return address






